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<p>Read-Only Sparse Matrix Iterator.  
 <a href="../../df/dec/classcv_1_1SparseMatConstIterator.html#details">More...</a></p>

<p><code>#include &lt;opencv2/core/mat.hpp&gt;</code></p>
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Inheritance diagram for cv::SparseMatConstIterator:</div>
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<area href="../../d5/d9b/classcv_1_1SparseMatIterator.html" title="Read-write Sparse Matrix Iterator. " alt="cv::SparseMatIterator" shape="rect" coords="227,56,444,80"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:af3502cb42a852646d4f8cfed6e3b3c6b"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#af3502cb42a852646d4f8cfed6e3b3c6b">SparseMatConstIterator</a> ()</td></tr>
<tr class="memdesc:af3502cb42a852646d4f8cfed6e3b3c6b"><td class="mdescLeft">&#160;</td><td class="mdescRight">the default constructor  <a href="#af3502cb42a852646d4f8cfed6e3b3c6b">More...</a><br /></td></tr>
<tr class="separator:af3502cb42a852646d4f8cfed6e3b3c6b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a74e586f5019f8993d34da6dd9eaa74e8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a74e586f5019f8993d34da6dd9eaa74e8">SparseMatConstIterator</a> (const <a class="el" href="../../dd/da9/classcv_1_1SparseMat.html">SparseMat</a> *_m)</td></tr>
<tr class="memdesc:a74e586f5019f8993d34da6dd9eaa74e8"><td class="mdescLeft">&#160;</td><td class="mdescRight">the full constructor setting the iterator to the first sparse matrix element  <a href="#a74e586f5019f8993d34da6dd9eaa74e8">More...</a><br /></td></tr>
<tr class="separator:a74e586f5019f8993d34da6dd9eaa74e8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7549ff275790855409b1da3b14a85ddd"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a7549ff275790855409b1da3b14a85ddd">SparseMatConstIterator</a> (const <a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;it)</td></tr>
<tr class="memdesc:a7549ff275790855409b1da3b14a85ddd"><td class="mdescLeft">&#160;</td><td class="mdescRight">the copy constructor  <a href="#a7549ff275790855409b1da3b14a85ddd">More...</a><br /></td></tr>
<tr class="separator:a7549ff275790855409b1da3b14a85ddd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7ed9e9598e8d21f6dc2d05b0bba0a544"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="../../d9/de0/structcv_1_1SparseMat_1_1Node.html">SparseMat::Node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a7ed9e9598e8d21f6dc2d05b0bba0a544">node</a> () const</td></tr>
<tr class="memdesc:a7ed9e9598e8d21f6dc2d05b0bba0a544"><td class="mdescLeft">&#160;</td><td class="mdescRight">returns the current node of the sparse matrix. it.node-&gt;idx is the current element index  <a href="#a7ed9e9598e8d21f6dc2d05b0bba0a544">More...</a><br /></td></tr>
<tr class="separator:a7ed9e9598e8d21f6dc2d05b0bba0a544"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad72bcf02305bcfcd92d4006621225fbd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#ad72bcf02305bcfcd92d4006621225fbd">operator++</a> ()</td></tr>
<tr class="memdesc:ad72bcf02305bcfcd92d4006621225fbd"><td class="mdescLeft">&#160;</td><td class="mdescRight">moves iterator to the next element  <a href="#ad72bcf02305bcfcd92d4006621225fbd">More...</a><br /></td></tr>
<tr class="separator:ad72bcf02305bcfcd92d4006621225fbd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac18bf0568c460ed4a3c652348ef3f6a8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#ac18bf0568c460ed4a3c652348ef3f6a8">operator++</a> (int)</td></tr>
<tr class="memdesc:ac18bf0568c460ed4a3c652348ef3f6a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">moves iterator to the next element  <a href="#ac18bf0568c460ed4a3c652348ef3f6a8">More...</a><br /></td></tr>
<tr class="separator:ac18bf0568c460ed4a3c652348ef3f6a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a240e65582faf3f08a0cc9268063efdf0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a240e65582faf3f08a0cc9268063efdf0">operator--</a> ()</td></tr>
<tr class="memdesc:a240e65582faf3f08a0cc9268063efdf0"><td class="mdescLeft">&#160;</td><td class="mdescRight">moves iterator to the previous element  <a href="#a240e65582faf3f08a0cc9268063efdf0">More...</a><br /></td></tr>
<tr class="separator:a240e65582faf3f08a0cc9268063efdf0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae1e53a3cb951f9c3647c18e160fa124f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#ae1e53a3cb951f9c3647c18e160fa124f">operator--</a> (int)</td></tr>
<tr class="memdesc:ae1e53a3cb951f9c3647c18e160fa124f"><td class="mdescLeft">&#160;</td><td class="mdescRight">moves iterator to the previous element  <a href="#ae1e53a3cb951f9c3647c18e160fa124f">More...</a><br /></td></tr>
<tr class="separator:ae1e53a3cb951f9c3647c18e160fa124f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9ad2aca73fd447e5642b1c21bd978cd3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a9ad2aca73fd447e5642b1c21bd978cd3">operator=</a> (const <a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;it)</td></tr>
<tr class="memdesc:a9ad2aca73fd447e5642b1c21bd978cd3"><td class="mdescLeft">&#160;</td><td class="mdescRight">the assignment operator  <a href="#a9ad2aca73fd447e5642b1c21bd978cd3">More...</a><br /></td></tr>
<tr class="separator:a9ad2aca73fd447e5642b1c21bd978cd3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad6e372a9006ca9a8838825a6ac98b45d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#ad6e372a9006ca9a8838825a6ac98b45d">seekEnd</a> ()</td></tr>
<tr class="memdesc:ad6e372a9006ca9a8838825a6ac98b45d"><td class="mdescLeft">&#160;</td><td class="mdescRight">moves iterator to the element after the last element  <a href="#ad6e372a9006ca9a8838825a6ac98b45d">More...</a><br /></td></tr>
<tr class="separator:ad6e372a9006ca9a8838825a6ac98b45d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2abb15ac7188d500c245d79782302d3e"><td class="memTemplParams" colspan="2">template&lt;typename _Tp &gt; </td></tr>
<tr class="memitem:a2abb15ac7188d500c245d79782302d3e"><td class="memTemplItemLeft" align="right" valign="top">const _Tp &amp;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a2abb15ac7188d500c245d79782302d3e">value</a> () const</td></tr>
<tr class="memdesc:a2abb15ac7188d500c245d79782302d3e"><td class="mdescLeft">&#160;</td><td class="mdescRight">template method returning the current matrix element  <a href="#a2abb15ac7188d500c245d79782302d3e">More...</a><br /></td></tr>
<tr class="separator:a2abb15ac7188d500c245d79782302d3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a64acbbe5a9c0e23fe3955897de67e5b0"><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a64acbbe5a9c0e23fe3955897de67e5b0">hashidx</a></td></tr>
<tr class="separator:a64acbbe5a9c0e23fe3955897de67e5b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa5348a0c97f2504824b9cb1f1c019c9b"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="../../dd/da9/classcv_1_1SparseMat.html">SparseMat</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#aa5348a0c97f2504824b9cb1f1c019c9b">m</a></td></tr>
<tr class="separator:aa5348a0c97f2504824b9cb1f1c019c9b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a436e094b8015b0d904efca35186f21d6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d1/d1b/group__core__hal__interface.html#ga65f85814a8290f9797005d3b28e7e5fc">uchar</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#a436e094b8015b0d904efca35186f21d6">ptr</a></td></tr>
<tr class="separator:a436e094b8015b0d904efca35186f21d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Read-Only Sparse Matrix Iterator. </p>
<p>Here is how to use the iterator to compute the sum of floating-point sparse matrix elements:</p>
<div class="fragment"><div class="line"><a class="code" href="../../df/dec/classcv_1_1SparseMatConstIterator.html#af3502cb42a852646d4f8cfed6e3b3c6b">SparseMatConstIterator</a> it = m.begin(), it_end = m.end();</div><div class="line"><span class="keywordtype">double</span> s = 0;</div><div class="line"><a class="code" href="../../db/de0/group__core__utils.html#gaf62bcd90f70e275191ab95136d85906b">CV_Assert</a>( m.type() == <a class="code" href="../../d1/d1b/group__core__hal__interface.html#ga4a3def5d72b74bed31f5f8ab7676099c">CV_32F</a> );</div><div class="line"><span class="keywordflow">for</span>( ; it != it_end; ++it )</div><div class="line">   s += it.value&lt;<span class="keywordtype">float</span>&gt;();</div></div><!-- fragment --> </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="af3502cb42a852646d4f8cfed6e3b3c6b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af3502cb42a852646d4f8cfed6e3b3c6b">&#9670;&nbsp;</a></span>SparseMatConstIterator() <span class="overload">[1/3]</span></h2>

<div class="memitem">
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          <td class="memname">cv::SparseMatConstIterator::SparseMatConstIterator </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
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</div><div class="memdoc">

<p>the default constructor </p>

</div>
</div>
<a id="a74e586f5019f8993d34da6dd9eaa74e8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a74e586f5019f8993d34da6dd9eaa74e8">&#9670;&nbsp;</a></span>SparseMatConstIterator() <span class="overload">[2/3]</span></h2>

<div class="memitem">
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          <td class="memname">cv::SparseMatConstIterator::SparseMatConstIterator </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="../../dd/da9/classcv_1_1SparseMat.html">SparseMat</a> *&#160;</td>
          <td class="paramname"><em>_m</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>the full constructor setting the iterator to the first sparse matrix element </p>

</div>
</div>
<a id="a7549ff275790855409b1da3b14a85ddd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7549ff275790855409b1da3b14a85ddd">&#9670;&nbsp;</a></span>SparseMatConstIterator() <span class="overload">[3/3]</span></h2>

<div class="memitem">
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          <td class="memname">cv::SparseMatConstIterator::SparseMatConstIterator </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> &amp;&#160;</td>
          <td class="paramname"><em>it</em></td><td>)</td>
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</div><div class="memdoc">

<p>the copy constructor </p>

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</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a7ed9e9598e8d21f6dc2d05b0bba0a544"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7ed9e9598e8d21f6dc2d05b0bba0a544">&#9670;&nbsp;</a></span>node()</h2>

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          <td class="memname">const <a class="el" href="../../d9/de0/structcv_1_1SparseMat_1_1Node.html">SparseMat::Node</a>* cv::SparseMatConstIterator::node </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">

<p>returns the current node of the sparse matrix. it.node-&gt;idx is the current element index </p>

</div>
</div>
<a id="ad72bcf02305bcfcd92d4006621225fbd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad72bcf02305bcfcd92d4006621225fbd">&#9670;&nbsp;</a></span>operator++() <span class="overload">[1/2]</span></h2>

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          <td class="memname"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a>&amp; cv::SparseMatConstIterator::operator++ </td>
          <td>(</td>
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</div><div class="memdoc">

<p>moves iterator to the next element </p>

</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ac18bf0568c460ed4a3c652348ef3f6a8">&#9670;&nbsp;</a></span>operator++() <span class="overload">[2/2]</span></h2>

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          <td class="memname"><a class="el" href="../../df/dec/classcv_1_1SparseMatConstIterator.html">SparseMatConstIterator</a> cv::SparseMatConstIterator::operator++ </td>
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<p>moves iterator to the next element </p>

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<p>moves iterator to the previous element </p>

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<p>moves iterator to the previous element </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a9ad2aca73fd447e5642b1c21bd978cd3">&#9670;&nbsp;</a></span>operator=()</h2>

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<p>the assignment operator </p>

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<h2 class="memtitle"><span class="permalink"><a href="#ad6e372a9006ca9a8838825a6ac98b45d">&#9670;&nbsp;</a></span>seekEnd()</h2>

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          <td class="memname">void cv::SparseMatConstIterator::seekEnd </td>
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<p>moves iterator to the element after the last element </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2abb15ac7188d500c245d79782302d3e">&#9670;&nbsp;</a></span>value()</h2>

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template&lt;typename _Tp &gt; </div>
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<p>template method returning the current matrix element </p>

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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a64acbbe5a9c0e23fe3955897de67e5b0">&#9670;&nbsp;</a></span>hashidx</h2>

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          <td class="memname">size_t cv::SparseMatConstIterator::hashidx</td>
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<h2 class="memtitle"><span class="permalink"><a href="#aa5348a0c97f2504824b9cb1f1c019c9b">&#9670;&nbsp;</a></span>m</h2>

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          <td class="memname">const <a class="el" href="../../dd/da9/classcv_1_1SparseMat.html">SparseMat</a>* cv::SparseMatConstIterator::m</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a436e094b8015b0d904efca35186f21d6">&#9670;&nbsp;</a></span>ptr</h2>

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          <td class="memname"><a class="el" href="../../d1/d1b/group__core__hal__interface.html#ga65f85814a8290f9797005d3b28e7e5fc">uchar</a>* cv::SparseMatConstIterator::ptr</td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>opencv2/core/<a class="el" href="../../d3/d82/core_2include_2opencv2_2core_2mat_8hpp.html">mat.hpp</a></li>
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